va rog calculati repede
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Răspuns:
Explicație pas cu pas:
Răspuns:
20/7•3/25=
=20•3/7•25=
=160/175=
=12•5/35•5=
=12/35
12/35•14/9=
=12•14 /35•9=
=168/315=
=8•21/15•21=
=8/15